AL PCB Material for high power LED , reliable quaity and competive service AL Material: 1100, 5052Thermail conductivity: 1W/MK; 1.5W/MK, 2.4W/MK, 4.4W/MKCopper thickness: 1OZ, 2OZ, 3OZ, 4OZAl thickness: 0.8mm-3.0mmSheet size: 500mm*600mm Al Base PCB Material